28082176 has 32 divisors (see below), whose sum is σ = 56229030. Its totient is φ = 14024704.

The previous prime is 28082161. The next prime is 28082177. The reversal of 28082176 is 67128082.

It can be written as a sum of positive squares in only one way, i.e., 17842176 + 10240000 = 4224^2 + 3200^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (28082177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32340 + ... + 33196.

Almost surely, 2^28082176 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28082176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28114515).

28082176 is an abundant number, since it is smaller than the sum of its proper divisors (28146854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28082176 is an frugal number, since it uses more digits than its factorization.

28082176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887 (or 859 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 28082176 is about 5299.2618353880. The cubic root of 28082176 is about 303.9556722070.

The spelling of 28082176 in words is "twenty-eight million, eighty-two thousand, one hundred seventy-six".